/*
* Try to query an attribute that doesn't exist
* Should throw an exception
*/
@Test(expected = QueryException.class)
public void testQueryMissingAtt() throws QueryException {
EntityNode en = new EntityNode("G", _sketch);
_sketch.addEntity(en);
QueryNode qn = new QueryNode("TestNode", _view, "");
qn.setQuery("Select a from G");
}
/*
* This test to see if we can create a simple queryNode with
* a basic query.
*/
@Test
public void testSimpleQuery() throws QueryException {
EntityNode en = new EntityNode("F", _sketch);
_sketch.addEntity(en);
QueryNode qn = new QueryNode("TestNode", _view, "");
qn.setQuery("Select * from F");
_view.addEntity(qn);
assertEquals("We queried F so must be F", "F", qn.getQueriedEntity().getName());
}
/*
* Tries to query an attribute that does exist
* Should work fine
*/
@Test
public void testQueryExistingAtt() throws QueryException {
EntityNode en = new EntityNode("H", _sketch);
en.addEntityAttribute(
new EntityAttribute<SketchFrame, SketchGraphModel, Sketch, EntityNode, SketchEdge>(
"h", new Int(), en));
_sketch.addEntity(en);
QueryNode qn = new QueryNode("TestNode", _view, "");
qn.setQuery("Select h from H");
_view.addEntity(qn);
assertEquals(
"We only queried h from H so must be h", "h", qn.getEntityAttributes().get(0).getName());
}
/*
* want to test many different malformed queries.
* For now this is just an example
*
*/
@Test(expected = QueryException.class)
public void testMalformedQuery() throws QueryException {
QueryNode qn = new QueryNode("TestNode", _view, "");
qn.setQuery("Selct * from A");
}
/*
* Tries to query a non existing entity.
* This should throw a queryException
*/
@Test(expected = QueryException.class)
public void testNonExistingEntityQueried() throws QueryException {
QueryNode qn = new QueryNode("TestNode", _view, "");
qn.setQuery("Select * from E");
_view.addEntity(qn);
}
